The entrance fee is free and the phone number is 01223332320.
I'm also looking for a train that departs after 13:00 from Stevenage.
attraction-area attraction-name train-departure train-leaveat
attraction-area attraction-name train-departure train-leaveat
attraction-area attraction-name train-departure train-leaveat
attraction-area attraction-name train-departure train-leaveat